Great St Lawrence Sea Conditions and Tide Table

Great St Lawrence Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 05:53 PM.

Days 1–4 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Thu night. Icy conditions (max 9°C on Wed afternoon, min -8°C on Fri afternoon). Winds increasing (light winds from the SW on Tue night, strong winds from the W by Thu night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 6°C on Mon afternoon, min -7°C on Fri night). Winds decreasing (strong winds from the W on Fri night, light winds from the NNW by Sun night).

Days 8–10 Weather Summary

Moderate rain (total 11mm), heaviest on Tue afternoon. Freeze-thaw conditions (max 9°C on Tue morning, min -6°C on Wed night). Winds increasing (light winds from the SW on Mon night, strong winds from the WNW by Wed night).

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Sat afternoon, min -5°C on Sat night). Winds decreasing (fresh winds from the NNE on Sat morning, calm by Sun afternoon).

Wednesday
28
Thursday
29
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sun
10
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
10:27PM1.88m
10:50AM1.77m
11:05PM1.87m
11:21AM1.70m
11:48PM1.86m
11:56AM1.64m
00:39AM1.84m
12:38PM1.58m
1:34AM1.84m
1:26PM1.53m
2:33AM1.85m
2:22PM1.51m
3:34AM1.88m
3:27PM1.52m
4:39AM1.93m
4:44PM1.58m
5:46AM2.00m
6:00PM1.71m
6:46AM2.07m
7:00PM1.88m
7:38AM2.13m
7:52PM2.04m
8:26AM2.15m
Low Tide
4:14AM0.69m
4:30PM0.58m
4:53AM0.72m
5:01PM0.60m
5:33AM0.77m
5:33PM0.63m
6:18AM0.83m
6:10PM0.67m
7:12AM0.90m
6:56PM0.72m
8:27AM0.95m
8:06PM0.77m
9:54AM0.92m
9:43PM0.74m
11:02AM0.82m
10:58PM0.65m
11:56AM0.70m
11:56PM0.53m
12:44PM0.57m
00:49AM0.44m
1:30PM0.45m
1:41AM0.38m
2:15PM0.36m
Wave
height (m) 
direction
period (s) 
0.9
SW
7
1.3
SSW
5
1.3
SSW
5
1.9
S
6
2.3
S
7
2.5
S
7
2.3
SW
7
2.2
SW
9
2.5
WSW
10
2.5
WSW
8
2.2
WSW
8
1.5
WSW
9
0.8
SW
8
1.3
SW
5
0.9
SW
6
0.6
WSW
6
0.5
SSW
4
0.5
SW
8
0.6
SW
11
0.7
SW
10
1.3
SSW
5
1.4
SSW
6
1.1
SW
5
1.4
WSW
6
1.3
WSW
7
0.9
WSW
7
0.8
W
4
0.7
W
4
0.4
SW
7
0.2
SSE
9
0.7
NE
4
0.9
NE
5
0.8
ENE
4
0.8
ENE
4
0.6
ENE
4
0.3
E
4
part cloud
cloud
part cloud
part cloud
cloud
light rain
snow showers
cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
mod rain
light rain
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
some clouds
cloudy
some clouds
some clouds
cloudy
light rain
snow shwrs
cloudy
cloudy
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
mod rain
light rain
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
some clouds
clear
some clouds
clear
 km/h
20
SSW
30
SW
25
SSW
35
S
40
S
40
SSW
45
W
45
W
45
W
40
WSW
40
W
30
W
15
SW
25
WSW
25
W
10
E
15
SSW
10
WSW
15
SW
15
SSW
25
SSW
25
SW
30
W
40
WNW
30
NW
25
NW
25
W
20
NW
15
N
10
NNE
25
NNE
25
NE
20
NE
20
NE
15
ENE
5
SSE
 mm 
1.0
6
5
max°C
5
8
9
8
6
6
-1
-6
-7
-4
-2
-2
0
3
3
4
3
6
8
9
8
7
4
2
-4
-5
-2
-2
-1
1
-1
0
2
-1
-3
-2
Moonrise
9:13
10:20
11:28
12:40
1:53
3:03
4:06
4:58
5:37
6:08
6:32
7:52
Moonset
8:07
8:21
8:37
8:57
9:22
9:55
10:40
11:41
12:56
2:20
3:48
5:16
7:43
Sunrise
6:52
6:50
6:48
6:47
6:45
6:43
6:41
6:39
6:37
6:35
6:33
7:31
Sunset
5:53
5:54
5:57
5:58
5:59
6:00
6:01
6:04
6:05
6:07
6:07
6:09
7:10
Today's sea temperature in Great St Lawrence is 0.5 °C (Statistics for 27 Feb 1981-2005 – mean: 0.3 max: 1.4 min: -0.8°C)
Nearest